28894796

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 59963904

約数和(自身を除く): 31069108

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 103, 172, 206, 233, 301, 412, 466, 602, 721, 932, 1204, 1442, 1631, 2884, 3262, 4429, 6524, 8858, 10019, 17716, 20038, 23999, 31003, 40076, 47998, 62006, 70133, 95996, 124012, 140266, 167993, 280532, 335986, 671972, 1031957, 2063914, 4127828, 7223699, 14447398, 28894796]

約数ペア:

[(1, 28894796), (2, 14447398), (4, 7223699), (7, 4127828), (14, 2063914), (28, 1031957), (43, 671972), (86, 335986), (103, 280532), (172, 167993), (206, 140266), (233, 124012), (301, 95996), (412, 70133), (466, 62006), (602, 47998), (721, 40076), (932, 31003), (1204, 23999), (1442, 20038), (1631, 17716), (2884, 10019), (3262, 8858), (4429, 6524)]